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Hi there,
A hugely popular question on the ServiceNow Community when it comes Multi-Row Variable Sets: "How can I hide a variable from the grid view of Multi-Row Variable Set within a Catalog Item?" For years, the answer has always been simple: you can't.
Then came the Australia family release. Now you can, out-of-the-box!
I did a bit of testing and tried to sum up the working (and findings), as I was not able to find a proper ServiceNow Docs page on this.
Let's have a look!
"Configure variable visibility on multi-row variable set grids
Configure the visibility of a variable on the grid layout within a multi-row variable set (MRVS) for a catalog item by using the Hide on grid check box. By default, the check box is not selected."
Hide on grid
When opening a Variable that belongs to a Multi-Row Variable Set, you might notice there's a new field: "Hide on grid". This is the most visible part of the new functionality introduced in the Australia family release and is the field developers will use to control the visibility of variables in the Multi-Row Variable Set grid.
Don't see the Hide on grid field? Verify that the field exists on the table's Dictionary. If it does, there's a good chance it simply wasn't added to the Form Layout. This can happen when the Form Layout was customized in the past. In that case, during the upgrade to the Australia family release a Skipped Record would have been generated.
Portal
To test the Variable visibility on a Multi-Row Variable Set, I created a simple Catalog Item with a Multi-Row Variable Set attached containing four Variables. Each Variable is configured a little bit differently, a combination of Hide on grid true/false, Mandatory true/false, and Hidden true/false. This will demonstrate the various behaviors.
When viewing the Catalog Item on a Portal, the Multi-Row Variable Set grid is only showing Column 1 and Column 4 with the above configuration. This is exactly what we'd expect for Column 1, as the Hide on grid field is not selected. Column 4 is a bit more surprising. Although the variable has Hidden set to true, it is still displayed in the grid because Hide on grid is false. In other words, the Hidden field does not affect the visibility of the variable in the Multi-Row Variable Set grid. Column 3 is not displayed because Hide on grid is true, even though the variable is Mandatory. The Mandatory property has no influence on whether a variable is shown in the grid.
When adding a new row or editing an existing row in the Multi-Row Variable Set, the visibility behavior on the modal is slightly different. This behavior is expected and matches how variable visibility worked prior to the Australia family release.
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That's it. Finally I finished this article, it was already pending for a while 😅. Hope you like it. If any questions or remarks, let me know!
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Kind regards,
Mark Roethof
Independent ServiceNow Consultant
11x ServiceNow MVP
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